Night terror.
The word "nightmare" is an Anglo-Saxon word.
A noun, of the abstract type.
nightmare in French is cauchemar.
nightmare = la pesadilla
Yes. night + mare = nightmare
Yes, the word 'nightmare' is a noun, a word for a frightening dream; a frightening or horrible experience; a word for a thing.
The word "nightmear" does not exist in the English language. Did you mean "nightmare"? If so, a sentence could be: "She woke up screaming from a terrifying nightmare."
KOIIIMAP
bad dream
A nightmare is another word for a disturbing dream. Many people have nightmares when they have troubling things on their mind before they sleep.
The other day i saw your girl naked, that night i had a nightmare